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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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mpegtsmux: Use mpeg-ts lib for PAT/PMT sections
Rewrite of the PAT/PMT section handling to use the mpeg-ts library
This commit is contained in:
Jesper Larsen
parent
93a8137be6
commit
6a5f1354b3
5 changed files with 102 additions and 304 deletions
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@ -6,4 +6,4 @@ libtsmux_la_LIBADD = $(GST_LIBS) \
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libtsmux_la_LDFLAGS = -module -avoid-version
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libtsmux_la_SOURCES = tsmux.c tsmuxstream.c
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noinst_HEADERS = crc.h tsmuxcommon.h tsmux.h tsmuxstream.h
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noinst_HEADERS = tsmuxcommon.h tsmux.h tsmuxstream.h
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@ -1,58 +0,0 @@
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static guint32 crc_tab[256] = {
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0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b,
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0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61,
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0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7,
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0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
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0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3,
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0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
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0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef,
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0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
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0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb,
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0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1,
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0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0,
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0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
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0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4,
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0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde,
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0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08,
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0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
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0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc,
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0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6,
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0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050,
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0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
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0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34,
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0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637,
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0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1,
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0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
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0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5,
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0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
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0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9,
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0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
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0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd,
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0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7,
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0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71,
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0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
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0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2,
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0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8,
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0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e,
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0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
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0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a,
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0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0,
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0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676,
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0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
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0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662,
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0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668,
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0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
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};
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static guint32
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calc_crc32 (guint8 * data, guint datalen)
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{
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guint i;
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guint32 crc = 0xffffffff;
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for (i = 0; i < datalen; i++) {
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crc = (crc << 8) ^ crc_tab[((crc >> 24) ^ *data++) & 0xff];
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}
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return crc;
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}
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@ -87,7 +87,6 @@
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#include "tsmux.h"
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#include "tsmuxstream.h"
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#include "crc.h"
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#define GST_CAT_DEFAULT mpegtsmux_debug
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@ -120,6 +119,7 @@ static void
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tsmux_section_free (TsMuxSection * section)
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{
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gst_mpegts_section_unref (section->section);
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g_slice_free (TsMuxSection, section);
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}
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/**
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@ -308,6 +308,10 @@ tsmux_free (TsMux * mux)
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g_return_if_fail (mux != NULL);
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/* Free PAT section */
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if (mux->pat.section)
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gst_mpegts_section_unref (mux->pat.section);
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/* Free all programs */
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for (cur = mux->programs; cur; cur = cur->next) {
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TsMuxProgram *program = (TsMuxProgram *) cur->data;
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@ -846,7 +850,7 @@ tsmux_section_write_packet (GstMpegTsSectionType * type,
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GstMemory *mem;
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guint8 *packet;
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guint8 *data;
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gsize data_size;
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gsize data_size = 0;
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gsize payload_written;
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guint len = 0, offset = 0, payload_len = 0;
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@ -867,7 +871,10 @@ tsmux_section_write_packet (GstMpegTsSectionType * type,
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section->pi.stream_avail = data_size;
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payload_written = 0;
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section_buffer = gst_buffer_new_wrapped (data, data_size);
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/* Wrap section data in a buffer without free function.
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The data will be freed when the GstMpegTsSection is destroyed. */
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section_buffer = gst_buffer_new_wrapped_full (GST_MEMORY_FLAG_READONLY,
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data, data_size, 0, data_size, NULL, NULL);
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TS_DEBUG ("Section buffer with size %" G_GSIZE_FORMAT " created",
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gst_buffer_get_size (section_buffer));
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@ -922,6 +929,8 @@ tsmux_section_write_packet (GstMpegTsSectionType * type,
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section->pi.packet_start_unit_indicator = FALSE;
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}
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gst_buffer_unref (section_buffer);
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return TRUE;
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fail:
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@ -1103,129 +1112,20 @@ tsmux_program_free (TsMuxProgram * program)
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{
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g_return_if_fail (program != NULL);
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/* Free PMT section */
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if (program->pmt.section)
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gst_mpegts_section_unref (program->pmt.section);
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g_array_free (program->streams, TRUE);
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g_slice_free (TsMuxProgram, program);
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}
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static gboolean
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tsmux_write_section (TsMux * mux, TsMuxSection * section)
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{
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guint8 *cur_in;
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guint payload_remain;
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guint payload_len, payload_offs;
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TsMuxPacketInfo *pi;
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GstBuffer *buf = NULL;
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GstMapInfo map;
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pi = §ion->pi;
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pi->packet_start_unit_indicator = TRUE;
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cur_in = section->data;
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payload_remain = pi->stream_avail;
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while (payload_remain > 0) {
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/* obtain buffer */
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map.data = NULL;
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if (!tsmux_get_buffer (mux, &buf))
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goto fail;
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gst_buffer_map (buf, &map, GST_MAP_WRITE);
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if (pi->packet_start_unit_indicator) {
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/* Need to write an extra single byte start pointer */
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pi->stream_avail++;
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if (!tsmux_write_ts_header (map.data, pi, &payload_len, &payload_offs)) {
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pi->stream_avail--;
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goto fail;
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}
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pi->stream_avail--;
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/* Write the pointer byte */
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map.data[payload_offs] = 0x00;
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payload_offs++;
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payload_len--;
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pi->packet_start_unit_indicator = FALSE;
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} else {
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if (!tsmux_write_ts_header (map.data, pi, &payload_len, &payload_offs))
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goto fail;
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}
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TS_DEBUG ("Outputting %d bytes to section. %d remaining after",
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payload_len, payload_remain - payload_len);
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memcpy (map.data + payload_offs, cur_in, payload_len);
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cur_in += payload_len;
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payload_remain -= payload_len;
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gst_buffer_unmap (buf, &map);
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/* we do not write PCR in section */
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if (G_UNLIKELY (!tsmux_packet_out (mux, buf, -1))) {
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/* buffer given away */
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buf = NULL;
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goto fail;
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}
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buf = NULL;
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}
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return TRUE;
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/* ERRORS */
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fail:
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{
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if (map.data && buf)
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gst_buffer_unmap (buf, &map);
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if (buf)
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gst_buffer_unref (buf);
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return FALSE;
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}
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}
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static void
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tsmux_write_section_hdr (guint8 * pos, guint8 table_id, guint16 len,
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guint16 id, guint8 version, guint8 section_nr, guint8 last_section_nr)
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{
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/* The length passed is the total length of the section, but we're not
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* supposed to include the first 3 bytes of the header in the count */
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len -= 3;
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/* 1 byte table identifier */
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*pos++ = table_id;
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/* section_syntax_indicator = '0' | '0' | '11' reserved bits | (len >> 8) */
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tsmux_put16 (&pos, 0xB000 | len);
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/* 2 bytes transport/program id */
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tsmux_put16 (&pos, id);
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/* '11' reserved | version 'xxxxxx' | 'x' current_next */
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*pos++ = 0xC0 | ((version & 0x1F) << 1) | 0x01;
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*pos++ = section_nr;
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*pos++ = last_section_nr;
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}
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static gboolean
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tsmux_write_pat (TsMux * mux)
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{
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GList *cur;
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TsMuxSection *pat = &mux->pat;
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if (mux->pat_changed) {
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/* program_association_section ()
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* table_id 8 uimsbf
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* section_syntax_indicator 1 bslbf
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* '0' 1 bslbf
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* reserved 2 bslbf
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* section_length 12 uimsbf
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* transport_stream_id 16 uimsbf
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* reserved 2 bslbf
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* version_number 5 uimsbf
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* current_next_indicator 1 bslbf
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* section_number 8 uimsbf
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* last_section_number 8 uimsbf
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* for (i = 0; i < N; i++) {
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* program_number 16 uimsbf
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* reserved 3 bslbf
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@ -1233,58 +1133,43 @@ tsmux_write_pat (TsMux * mux)
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* }
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* CRC_32 32 rbchof
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*/
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guint8 *pos;
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guint32 crc;
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GList *cur;
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GPtrArray *pat;
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/* Prepare the section data after the section header */
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pos = pat->data + TSMUX_SECTION_HDR_SIZE;
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pat = gst_mpegts_pat_new ();
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for (cur = mux->programs; cur; cur = cur->next) {
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GstMpegTsPatProgram *pat_pgm;
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TsMuxProgram *program = (TsMuxProgram *) cur->data;
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tsmux_put16 (&pos, program->pgm_number);
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tsmux_put16 (&pos, 0xE000 | program->pmt_pid);
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pat_pgm = gst_mpegts_pat_program_new ();
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pat_pgm->program_number = program->pgm_number;
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pat_pgm->network_or_program_map_PID = program->pmt_pid;
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g_ptr_array_add (pat, pat_pgm);
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}
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/* Measure the section length, include extra 4 bytes for CRC below */
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pat->pi.stream_avail = pos - pat->data + 4;
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if (mux->pat.section)
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gst_mpegts_section_unref (mux->pat.section);
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/* Go back and write the header now that we know the final length.
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* table_id = 0 for PAT */
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tsmux_write_section_hdr (pat->data, 0x00, pat->pi.stream_avail,
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mux->transport_id, mux->pat_version, 0, 0);
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mux->pat.section = gst_mpegts_section_from_pat (pat, mux->transport_id);
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/* Calc and output CRC for data bytes, not including itself */
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crc = calc_crc32 (pat->data, pat->pi.stream_avail - 4);
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tsmux_put32 (&pos, crc);
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mux->pat.section->version_number = mux->pat_version++;
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TS_DEBUG ("PAT has %d programs, is %u bytes",
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mux->nb_programs, pat->pi.stream_avail);
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TS_DEBUG ("PAT has %d programs", mux->nb_programs);
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mux->pat_changed = FALSE;
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mux->pat_version++;
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}
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return tsmux_write_section (mux, pat);
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return tsmux_section_write_packet (GINT_TO_POINTER (GST_MPEGTS_SECTION_PAT),
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&mux->pat, mux);
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}
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static gboolean
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tsmux_write_pmt (TsMux * mux, TsMuxProgram * program)
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{
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TsMuxSection *pmt = &program->pmt;
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if (program->pmt_changed) {
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/* program_association_section ()
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* table_id 8 uimsbf
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* section_syntax_indicator 1 bslbf
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* '0' 1 bslbf
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* reserved 2 bslbf
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* section_length 12 uimsbf
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* program_id 16 uimsbf
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* reserved 2 bslbf
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* version_number 5 uimsbf
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* current_next_indicator 1 bslbf
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* section_number 8 uimsbf
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* last_section_number 8 uimsbf
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* reserved 3 bslbf
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* PCR_PID 13 uimsbf
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* reserved 4 bslbf
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@ -1302,74 +1187,56 @@ tsmux_write_pmt (TsMux * mux, TsMuxProgram * program)
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* descriptor ();
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* }
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* }
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* CRC_32 32 rbchof
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*/
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guint8 *pos;
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guint32 crc;
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GstMpegTsDescriptor *descriptor;
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GstMpegTsPMT *pmt;
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guint8 desc[] = { 0x0F, 0xFF, 0xFC, 0xFC };
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guint i;
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/* Prepare the section data after the basic section header */
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pos = pmt->data + TSMUX_SECTION_HDR_SIZE;
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pmt = gst_mpegts_pmt_new ();
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if (program->pcr_stream == NULL)
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tsmux_put16 (&pos, 0xFFFF);
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pmt->pcr_pid = 0x1FFF;
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else
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tsmux_put16 (&pos, 0xE000 | tsmux_stream_get_pid (program->pcr_stream));
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pmt->pcr_pid = tsmux_stream_get_pid (program->pcr_stream);
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/* 4 bits reserved, 12 bits program_info_length, descriptor : HDMV */
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tsmux_put16 (&pos, 0xF00C);
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tsmux_put16 (&pos, 0x0504);
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tsmux_put16 (&pos, 0x4844);
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tsmux_put16 (&pos, 0x4D56);
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tsmux_put16 (&pos, 0x8804);
|
||||
tsmux_put16 (&pos, 0x0FFF);
|
||||
tsmux_put16 (&pos, 0xFCFC);
|
||||
descriptor = gst_mpegts_descriptor_from_registration ("HDMV", NULL, 0);
|
||||
g_ptr_array_add (pmt->descriptors, descriptor);
|
||||
|
||||
descriptor = gst_mpegts_descriptor_from_custom (0x88, desc, 4);
|
||||
g_ptr_array_add (pmt->descriptors, descriptor);
|
||||
|
||||
/* Write out the entries */
|
||||
for (i = 0; i < program->streams->len; i++) {
|
||||
GstMpegTsPMTStream *pmt_stream;
|
||||
TsMuxStream *stream = g_array_index (program->streams, TsMuxStream *, i);
|
||||
guint16 es_info_len;
|
||||
|
||||
pmt_stream = gst_mpegts_pmt_stream_new ();
|
||||
|
||||
/* FIXME: Use API to retrieve this from the stream */
|
||||
*pos++ = stream->stream_type;
|
||||
tsmux_put16 (&pos, 0xE000 | tsmux_stream_get_pid (stream));
|
||||
pmt_stream->stream_type = stream->stream_type;
|
||||
pmt_stream->pid = tsmux_stream_get_pid (stream);
|
||||
|
||||
/* Write any ES descriptors needed */
|
||||
tsmux_stream_get_es_descrs (stream, mux->es_info_buf, &es_info_len);
|
||||
tsmux_put16 (&pos, 0xF000 | es_info_len);
|
||||
|
||||
if (es_info_len > 0) {
|
||||
TS_DEBUG ("Writing descriptor of len %d for PID 0x%04x",
|
||||
es_info_len, tsmux_stream_get_pid (stream));
|
||||
if (G_UNLIKELY (pos + es_info_len >=
|
||||
pmt->data + TSMUX_MAX_SECTION_LENGTH))
|
||||
return FALSE;
|
||||
|
||||
memcpy (pos, mux->es_info_buf, es_info_len);
|
||||
pos += es_info_len;
|
||||
}
|
||||
tsmux_stream_get_es_descrs (stream, pmt_stream);
|
||||
g_ptr_array_add (pmt->streams, pmt_stream);
|
||||
}
|
||||
|
||||
/* Include the CRC in the byte count */
|
||||
pmt->pi.stream_avail = pos - pmt->data + 4;
|
||||
TS_DEBUG ("PMT for program %d has %d streams",
|
||||
program->pgm_number, program->streams->len);
|
||||
|
||||
/* Go back and patch the pmt_header now that we know the length.
|
||||
* table_id = 2 for PMT */
|
||||
tsmux_write_section_hdr (pmt->data, 0x02, pmt->pi.stream_avail,
|
||||
program->pgm_number, program->pmt_version, 0, 0);
|
||||
pmt->program_number = program->pgm_number;
|
||||
|
||||
/* Calc and output CRC for data bytes,
|
||||
* but not counting the CRC bytes this time */
|
||||
crc = calc_crc32 (pmt->data, pmt->pi.stream_avail - 4);
|
||||
tsmux_put32 (&pos, crc);
|
||||
|
||||
TS_DEBUG ("PMT for program %d has %d streams, is %u bytes",
|
||||
program->pgm_number, program->streams->len, pmt->pi.stream_avail);
|
||||
|
||||
pmt->pi.pid = program->pmt_pid;
|
||||
program->pmt.pi.pid = program->pmt_pid;
|
||||
program->pmt_changed = FALSE;
|
||||
program->pmt_version++;
|
||||
|
||||
if (program->pmt.section)
|
||||
gst_mpegts_section_unref (program->pmt.section);
|
||||
|
||||
program->pmt.section = gst_mpegts_section_from_pmt (pmt, program->pmt_pid);
|
||||
program->pmt.section->version_number = program->pmt_version++;
|
||||
}
|
||||
|
||||
return tsmux_write_section (mux, pmt);
|
||||
return tsmux_section_write_packet (GINT_TO_POINTER (GST_MPEGTS_SECTION_PMT),
|
||||
&program->pmt, mux);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -83,6 +83,8 @@
|
|||
|
||||
#include <string.h>
|
||||
|
||||
#include <gst/mpegts/mpegts.h>
|
||||
|
||||
#include "tsmuxcommon.h"
|
||||
#include "tsmuxstream.h"
|
||||
|
||||
|
|
@ -694,22 +696,16 @@ tsmux_stream_add_data (TsMuxStream * stream, guint8 * data, guint len,
|
|||
* @buf and @len must be at least #TSMUX_MIN_ES_DESC_LEN.
|
||||
*/
|
||||
void
|
||||
tsmux_stream_get_es_descrs (TsMuxStream * stream, guint8 * buf, guint16 * len)
|
||||
tsmux_stream_get_es_descrs (TsMuxStream * stream,
|
||||
GstMpegTsPMTStream * pmt_stream)
|
||||
{
|
||||
guint8 *pos;
|
||||
GstMpegTsDescriptor *descriptor;
|
||||
|
||||
g_return_if_fail (stream != NULL);
|
||||
|
||||
if (buf == NULL) {
|
||||
if (len != NULL)
|
||||
*len = 0;
|
||||
return;
|
||||
}
|
||||
g_return_if_fail (pmt_stream != NULL);
|
||||
|
||||
/* Based on the stream type, write out any descriptors to go in the
|
||||
* PMT ES_info field */
|
||||
pos = buf;
|
||||
|
||||
/* tag (registration_descriptor), length, format_identifier */
|
||||
switch (stream->stream_type) {
|
||||
case TSMUX_ST_AUDIO_AAC:
|
||||
|
|
@ -719,34 +715,26 @@ tsmux_stream_get_es_descrs (TsMuxStream * stream, guint8 * buf, guint16 * len)
|
|||
/* FIXME */
|
||||
break;
|
||||
case TSMUX_ST_VIDEO_H264:
|
||||
*pos++ = 0x05;
|
||||
*pos++ = 8;
|
||||
*pos++ = 0x48; /* 'H' */
|
||||
*pos++ = 0x44; /* 'D' */
|
||||
*pos++ = 0x4D; /* 'M' */
|
||||
*pos++ = 0x56; /* 'V' */
|
||||
{
|
||||
/* FIXME : Not sure about this additional_identification_info */
|
||||
*pos++ = 0xFF;
|
||||
*pos++ = 0x1B;
|
||||
*pos++ = 0x44;
|
||||
*pos++ = 0x3F;
|
||||
guint8 add_info[] = { 0xFF, 0x1B, 0x44, 0x3F };
|
||||
|
||||
descriptor = gst_mpegts_descriptor_from_registration ("HDMV",
|
||||
add_info, 4);
|
||||
|
||||
g_ptr_array_add (pmt_stream->descriptors, descriptor);
|
||||
break;
|
||||
}
|
||||
case TSMUX_ST_VIDEO_DIRAC:
|
||||
*pos++ = 0x05;
|
||||
*pos++ = 4;
|
||||
*pos++ = 0x64; /* 'd' */
|
||||
*pos++ = 0x72; /* 'r' */
|
||||
*pos++ = 0x61; /* 'a' */
|
||||
*pos++ = 0x63; /* 'c' */
|
||||
descriptor = gst_mpegts_descriptor_from_registration ("drac", NULL, 0);
|
||||
g_ptr_array_add (pmt_stream->descriptors, descriptor);
|
||||
break;
|
||||
case TSMUX_ST_PS_AUDIO_AC3:
|
||||
{
|
||||
*pos++ = 0x05;
|
||||
*pos++ = 4;
|
||||
*pos++ = 0x41; /* 'A' */
|
||||
*pos++ = 0x43; /* 'C' */
|
||||
*pos++ = 0x2D; /* '-' */
|
||||
*pos++ = 0x33; /* '3' */
|
||||
guint8 add_info[6];
|
||||
guint8 *pos;
|
||||
|
||||
pos = add_info;
|
||||
|
||||
/* audio_stream_descriptor () | ATSC A/52-2001 Annex A
|
||||
*
|
||||
|
|
@ -870,6 +858,11 @@ tsmux_stream_get_es_descrs (TsMuxStream * stream, guint8 * buf, guint16 * len)
|
|||
|
||||
*pos++ = 0x00;
|
||||
|
||||
descriptor = gst_mpegts_descriptor_from_registration ("AC-3",
|
||||
add_info, 6);
|
||||
|
||||
g_ptr_array_add (pmt_stream->descriptors, descriptor);
|
||||
|
||||
break;
|
||||
}
|
||||
case TSMUX_ST_PS_AUDIO_DTS:
|
||||
|
|
@ -879,11 +872,12 @@ tsmux_stream_get_es_descrs (TsMuxStream * stream, guint8 * buf, guint16 * len)
|
|||
/* FIXME */
|
||||
break;
|
||||
case TSMUX_ST_PS_TELETEXT:
|
||||
/* tag */
|
||||
*pos++ = 0x56;
|
||||
/* FIXME empty descriptor for now;
|
||||
* should be provided by upstream in event or so ? */
|
||||
*pos = 0;
|
||||
descriptor =
|
||||
gst_mpegts_descriptor_from_custom (GST_MTS_DESC_DVB_TELETEXT, 0, 1);
|
||||
|
||||
g_ptr_array_add (pmt_stream->descriptors, descriptor);
|
||||
break;
|
||||
case TSMUX_ST_PS_DVB_SUBPICTURE:
|
||||
/* falltrough ...
|
||||
|
|
@ -892,25 +886,20 @@ tsmux_stream_get_es_descrs (TsMuxStream * stream, guint8 * buf, guint16 * len)
|
|||
case TSMUX_ST_PRIVATE_DATA:
|
||||
if (stream->is_dvb_sub) {
|
||||
GST_DEBUG ("Stream language %s", stream->language);
|
||||
*pos++ = 0x59; /* dvb subtitles */
|
||||
*pos++ = 0x08; /* descriptor length */
|
||||
*pos++ = stream->language[0]; /* Language */
|
||||
*pos++ = stream->language[1];
|
||||
*pos++ = stream->language[2];
|
||||
*pos++ = 0x10; /* Simple DVB subtitles with no monitor aspect ratio critical
|
||||
/* Simple DVB subtitles with no monitor aspect ratio critical
|
||||
FIXME, how do we make it settable? */
|
||||
*pos++ = 0x00; /* Default composition page ID */
|
||||
*pos++ = 0x01;
|
||||
*pos++ = 0x01; /* Default ancillary_page_id */
|
||||
*pos++ = 0x52;
|
||||
/* Default composition page ID */
|
||||
/* Default ancillary_page_id */
|
||||
descriptor =
|
||||
gst_mpegts_descriptor_from_dvb_subtitling (stream->language, 0x10,
|
||||
0x0001, 0x0152);
|
||||
|
||||
g_ptr_array_add (pmt_stream->descriptors, descriptor);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if (len)
|
||||
*len = (pos - buf);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
|
|||
|
|
@ -228,7 +228,7 @@ void tsmux_stream_pcr_unref (TsMuxStream *stream);
|
|||
gboolean tsmux_stream_is_pcr (TsMuxStream *stream);
|
||||
|
||||
gboolean tsmux_stream_at_pes_start (TsMuxStream *stream);
|
||||
void tsmux_stream_get_es_descrs (TsMuxStream *stream, guint8 *buf, guint16 *len);
|
||||
void tsmux_stream_get_es_descrs (TsMuxStream *stream, GstMpegTsPMTStream *pmt_stream);
|
||||
|
||||
gint tsmux_stream_bytes_in_buffer (TsMuxStream *stream);
|
||||
gint tsmux_stream_bytes_avail (TsMuxStream *stream);
|
||||
|
|
|
|||
Loading…
Reference in a new issue