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avi: Check return value of GstByteWriter
This commit is contained in:
Edward Hervey
parent
ba7569028c
commit
4bd694d2cd
1 changed files with 99 additions and 91 deletions
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@ -1056,15 +1056,16 @@ static inline guint
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gst_avi_mux_start_chunk (GstByteWriter * bw, const gchar * tag, guint32 fourcc)
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{
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guint chunk_offset;
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gboolean hdl = TRUE;
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if (tag)
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gst_byte_writer_put_data (bw, (const guint8 *) tag, 4);
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hdl &= gst_byte_writer_put_data (bw, (const guint8 *) tag, 4);
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else
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gst_byte_writer_put_uint32_le (bw, fourcc);
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hdl &= gst_byte_writer_put_uint32_le (bw, fourcc);
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chunk_offset = gst_byte_writer_get_pos (bw);
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/* real chunk size comes later */
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gst_byte_writer_put_uint32_le (bw, 0);
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hdl &= gst_byte_writer_put_uint32_le (bw, 0);
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return chunk_offset;
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}
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@ -1073,16 +1074,17 @@ static inline void
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gst_avi_mux_end_chunk (GstByteWriter * bw, guint chunk_offset)
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{
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guint size;
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gboolean hdl = TRUE;
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size = gst_byte_writer_get_pos (bw);
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gst_byte_writer_set_pos (bw, chunk_offset);
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gst_byte_writer_put_uint32_le (bw, size - chunk_offset - 4);
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hdl &= gst_byte_writer_put_uint32_le (bw, size - chunk_offset - 4);
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gst_byte_writer_set_pos (bw, size);
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/* arrange for even padding */
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if (size & 1)
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gst_byte_writer_put_uint8 (bw, 0);
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hdl &= gst_byte_writer_put_uint8 (bw, 0);
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}
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/* maybe some of these functions should be moved to riff.h? */
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@ -1130,12 +1132,13 @@ static GstBuffer *
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gst_avi_mux_riff_get_avi_header (GstAviMux * avimux)
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{
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const GstTagList *tags;
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GstBuffer *buffer;
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GstBuffer *buffer = NULL;
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gint size = 0;
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GstByteWriter bw;
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GSList *node;
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guint avih, riff, hdrl;
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GstMapInfo map;
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gboolean hdl = TRUE;
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GST_DEBUG_OBJECT (avimux, "creating avi header, data_size %u, idx_size %u",
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avimux->data_size, avimux->idx_size);
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@ -1154,26 +1157,26 @@ gst_avi_mux_riff_get_avi_header (GstAviMux * avimux)
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/* avi header metadata */
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riff = gst_avi_mux_start_chunk (&bw, "RIFF", 0);
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gst_byte_writer_put_data (&bw, (guint8 *) "AVI ", 4);
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hdl &= gst_byte_writer_put_data (&bw, (guint8 *) "AVI ", 4);
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hdrl = gst_avi_mux_start_chunk (&bw, "LIST", 0);
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gst_byte_writer_put_data (&bw, (guint8 *) "hdrl", 4);
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hdl &= gst_byte_writer_put_data (&bw, (guint8 *) "hdrl", 4);
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avih = gst_avi_mux_start_chunk (&bw, "avih", 0);
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/* the AVI header itself */
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.us_frame);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.max_bps);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.pad_gran);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.flags);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.tot_frames);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.init_frames);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.streams);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.bufsize);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.width);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.height);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.scale);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.rate);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.start);
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gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.length);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.us_frame);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.max_bps);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.pad_gran);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.flags);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.tot_frames);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.init_frames);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.streams);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.bufsize);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.width);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.height);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.scale);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.rate);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.start);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->avi_hdr.length);
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gst_avi_mux_end_chunk (&bw, avih);
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/* stream data */
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@ -1187,26 +1190,26 @@ gst_avi_mux_riff_get_avi_header (GstAviMux * avimux)
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/* stream list metadata */
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strl = gst_avi_mux_start_chunk (&bw, "LIST", 0);
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gst_byte_writer_put_data (&bw, (guint8 *) "strl", 4);
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hdl &= gst_byte_writer_put_data (&bw, (guint8 *) "strl", 4);
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/* generic header */
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strh = gst_avi_mux_start_chunk (&bw, "strh", 0);
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gst_byte_writer_put_uint32_le (&bw, avipad->hdr.type);
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gst_byte_writer_put_uint32_le (&bw, avipad->hdr.fcc_handler);
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gst_byte_writer_put_uint32_le (&bw, avipad->hdr.flags);
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gst_byte_writer_put_uint32_le (&bw, avipad->hdr.priority);
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gst_byte_writer_put_uint32_le (&bw, avipad->hdr.init_frames);
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gst_byte_writer_put_uint32_le (&bw, avipad->hdr.scale);
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gst_byte_writer_put_uint32_le (&bw, avipad->hdr.rate);
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gst_byte_writer_put_uint32_le (&bw, avipad->hdr.start);
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gst_byte_writer_put_uint32_le (&bw, avipad->hdr.length);
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gst_byte_writer_put_uint32_le (&bw, avipad->hdr.bufsize);
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gst_byte_writer_put_uint32_le (&bw, avipad->hdr.quality);
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gst_byte_writer_put_uint32_le (&bw, avipad->hdr.samplesize);
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gst_byte_writer_put_uint16_le (&bw, 0);
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gst_byte_writer_put_uint16_le (&bw, 0);
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gst_byte_writer_put_uint16_le (&bw, 0);
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gst_byte_writer_put_uint16_le (&bw, 0);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->hdr.type);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->hdr.fcc_handler);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->hdr.flags);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->hdr.priority);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->hdr.init_frames);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->hdr.scale);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->hdr.rate);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->hdr.start);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->hdr.length);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->hdr.bufsize);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->hdr.quality);
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->hdr.samplesize);
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hdl &= gst_byte_writer_put_uint16_le (&bw, 0);
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hdl &= gst_byte_writer_put_uint16_le (&bw, 0);
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hdl &= gst_byte_writer_put_uint16_le (&bw, 0);
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hdl &= gst_byte_writer_put_uint16_le (&bw, 0);
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gst_avi_mux_end_chunk (&bw, strh);
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if (avipad->is_video) {
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@ -1215,20 +1218,21 @@ gst_avi_mux_riff_get_avi_header (GstAviMux * avimux)
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/* the video header */
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strf = gst_avi_mux_start_chunk (&bw, "strf", 0);
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/* the actual header */
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gst_byte_writer_put_uint32_le (&bw, vidpad->vids.size + codec_size);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vids.width);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vids.height);
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gst_byte_writer_put_uint16_le (&bw, vidpad->vids.planes);
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gst_byte_writer_put_uint16_le (&bw, vidpad->vids.bit_cnt);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vids.compression);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vids.image_size);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vids.xpels_meter);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vids.ypels_meter);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vids.num_colors);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vids.imp_colors);
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hdl &=
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gst_byte_writer_put_uint32_le (&bw, vidpad->vids.size + codec_size);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vids.width);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vids.height);
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hdl &= gst_byte_writer_put_uint16_le (&bw, vidpad->vids.planes);
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hdl &= gst_byte_writer_put_uint16_le (&bw, vidpad->vids.bit_cnt);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vids.compression);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vids.image_size);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vids.xpels_meter);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vids.ypels_meter);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vids.num_colors);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vids.imp_colors);
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if (vidpad->vids_codec_data) {
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gst_buffer_map (vidpad->vids_codec_data, &map, GST_MAP_READ);
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gst_byte_writer_put_data (&bw, map.data, map.size);
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hdl &= gst_byte_writer_put_data (&bw, map.data, map.size);
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gst_buffer_unmap (vidpad->vids_codec_data, &map);
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}
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gst_avi_mux_end_chunk (&bw, strf);
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@ -1244,28 +1248,28 @@ gst_avi_mux_riff_get_avi_header (GstAviMux * avimux)
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/* the vprp header */
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vprp = gst_avi_mux_start_chunk (&bw, "vprp", 0);
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/* the actual data */
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gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.format_token);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.standard);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.vert_rate);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.hor_t_total);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.vert_lines);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.aspect);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.width);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.height);
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gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.fields);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.format_token);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.standard);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.vert_rate);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.hor_t_total);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.vert_lines);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.aspect);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.width);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.height);
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hdl &= gst_byte_writer_put_uint32_le (&bw, vidpad->vprp.fields);
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for (f = 0; f < vidpad->vprp.fields; ++f) {
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gst_riff_vprp_video_field_desc *fd;
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fd = &(vidpad->vprp.field_info[f]);
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gst_byte_writer_put_uint32_le (&bw, fd->compressed_bm_height);
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gst_byte_writer_put_uint32_le (&bw, fd->compressed_bm_width);
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gst_byte_writer_put_uint32_le (&bw, fd->valid_bm_height);
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gst_byte_writer_put_uint32_le (&bw, fd->valid_bm_width);
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gst_byte_writer_put_uint32_le (&bw, fd->valid_bm_x_offset);
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gst_byte_writer_put_uint32_le (&bw, fd->valid_bm_y_offset);
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gst_byte_writer_put_uint32_le (&bw, fd->video_x_t_offset);
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gst_byte_writer_put_uint32_le (&bw, fd->video_y_start);
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hdl &= gst_byte_writer_put_uint32_le (&bw, fd->compressed_bm_height);
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hdl &= gst_byte_writer_put_uint32_le (&bw, fd->compressed_bm_width);
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hdl &= gst_byte_writer_put_uint32_le (&bw, fd->valid_bm_height);
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hdl &= gst_byte_writer_put_uint32_le (&bw, fd->valid_bm_width);
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hdl &= gst_byte_writer_put_uint32_le (&bw, fd->valid_bm_x_offset);
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hdl &= gst_byte_writer_put_uint32_le (&bw, fd->valid_bm_y_offset);
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hdl &= gst_byte_writer_put_uint32_le (&bw, fd->video_x_t_offset);
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hdl &= gst_byte_writer_put_uint32_le (&bw, fd->video_y_start);
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}
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gst_avi_mux_end_chunk (&bw, vprp);
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}
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@ -1275,16 +1279,16 @@ gst_avi_mux_riff_get_avi_header (GstAviMux * avimux)
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/* the audio header */
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strf = gst_avi_mux_start_chunk (&bw, "strf", 0);
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/* the actual header */
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gst_byte_writer_put_uint16_le (&bw, audpad->auds.format);
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gst_byte_writer_put_uint16_le (&bw, audpad->auds.channels);
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gst_byte_writer_put_uint32_le (&bw, audpad->auds.rate);
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gst_byte_writer_put_uint32_le (&bw, audpad->auds.av_bps);
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gst_byte_writer_put_uint16_le (&bw, audpad->auds.blockalign);
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gst_byte_writer_put_uint16_le (&bw, audpad->auds.size);
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gst_byte_writer_put_uint16_le (&bw, codec_size);
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hdl &= gst_byte_writer_put_uint16_le (&bw, audpad->auds.format);
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hdl &= gst_byte_writer_put_uint16_le (&bw, audpad->auds.channels);
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hdl &= gst_byte_writer_put_uint32_le (&bw, audpad->auds.rate);
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hdl &= gst_byte_writer_put_uint32_le (&bw, audpad->auds.av_bps);
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hdl &= gst_byte_writer_put_uint16_le (&bw, audpad->auds.blockalign);
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hdl &= gst_byte_writer_put_uint16_le (&bw, audpad->auds.size);
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hdl &= gst_byte_writer_put_uint16_le (&bw, codec_size);
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if (audpad->auds_codec_data) {
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gst_buffer_map (audpad->auds_codec_data, &map, GST_MAP_READ);
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gst_byte_writer_put_data (&bw, map.data, map.size);
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hdl &= gst_byte_writer_put_data (&bw, map.data, map.size);
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gst_buffer_unmap (vidpad->vids_codec_data, &map);
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}
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gst_avi_mux_end_chunk (&bw, strf);
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@ -1295,15 +1299,15 @@ gst_avi_mux_riff_get_avi_header (GstAviMux * avimux)
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indx = gst_avi_mux_start_chunk (&bw, "indx", 0);
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else
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indx = gst_avi_mux_start_chunk (&bw, "JUNK", 0);
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gst_byte_writer_put_uint16_le (&bw, 4); /* bytes per entry */
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gst_byte_writer_put_uint8 (&bw, 0); /* index subtype */
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gst_byte_writer_put_uint8 (&bw, GST_AVI_INDEX_OF_INDEXES); /* index type */
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gst_byte_writer_put_uint32_le (&bw, avipad->idx_index); /* entries in use */
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gst_byte_writer_put_data (&bw, (guint8 *) avipad->tag, 4); /* stream id */
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gst_byte_writer_put_uint32_le (&bw, 0); /* reserved */
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gst_byte_writer_put_uint32_le (&bw, 0); /* reserved */
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gst_byte_writer_put_uint32_le (&bw, 0); /* reserved */
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gst_byte_writer_put_data (&bw, (guint8 *) avipad->idx,
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hdl &= gst_byte_writer_put_uint16_le (&bw, 4); /* bytes per entry */
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hdl &= gst_byte_writer_put_uint8 (&bw, 0); /* index subtype */
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hdl &= gst_byte_writer_put_uint8 (&bw, GST_AVI_INDEX_OF_INDEXES); /* index type */
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hdl &= gst_byte_writer_put_uint32_le (&bw, avipad->idx_index); /* entries in use */
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hdl &= gst_byte_writer_put_data (&bw, (guint8 *) avipad->tag, 4); /* stream id */
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hdl &= gst_byte_writer_put_uint32_le (&bw, 0); /* reserved */
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hdl &= gst_byte_writer_put_uint32_le (&bw, 0); /* reserved */
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hdl &= gst_byte_writer_put_uint32_le (&bw, 0); /* reserved */
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hdl &= gst_byte_writer_put_data (&bw, (guint8 *) avipad->idx,
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GST_AVI_SUPERINDEX_COUNT * sizeof (gst_avi_superindex_entry));
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gst_avi_mux_end_chunk (&bw, indx);
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@ -1317,9 +1321,9 @@ gst_avi_mux_riff_get_avi_header (GstAviMux * avimux)
|
|||
guint odml, dmlh;
|
||||
/* odml header */
|
||||
odml = gst_avi_mux_start_chunk (&bw, "LIST", 0);
|
||||
gst_byte_writer_put_data (&bw, (guint8 *) "odml", 4);
|
||||
hdl &= gst_byte_writer_put_data (&bw, (guint8 *) "odml", 4);
|
||||
dmlh = gst_avi_mux_start_chunk (&bw, "dmlh", 0);
|
||||
gst_byte_writer_put_uint32_le (&bw, avimux->total_frames);
|
||||
hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->total_frames);
|
||||
gst_avi_mux_end_chunk (&bw, dmlh);
|
||||
gst_avi_mux_end_chunk (&bw, odml);
|
||||
}
|
||||
|
|
@ -1332,7 +1336,7 @@ gst_avi_mux_riff_get_avi_header (GstAviMux * avimux)
|
|||
guint info;
|
||||
|
||||
info = gst_avi_mux_start_chunk (&bw, "LIST", 0);
|
||||
gst_byte_writer_put_data (&bw, (guint8 *) "INFO", 4);
|
||||
hdl &= gst_byte_writer_put_data (&bw, (guint8 *) "INFO", 4);
|
||||
|
||||
gst_tag_list_foreach (tags, gst_avi_mux_write_tag, &bw);
|
||||
if (info + 8 == gst_byte_writer_get_pos (&bw)) {
|
||||
|
|
@ -1348,9 +1352,12 @@ gst_avi_mux_riff_get_avi_header (GstAviMux * avimux)
|
|||
gst_avi_mux_end_chunk (&bw, riff);
|
||||
|
||||
/* avi data header */
|
||||
gst_byte_writer_put_data (&bw, (guint8 *) "LIST", 4);
|
||||
gst_byte_writer_put_uint32_le (&bw, avimux->data_size);
|
||||
gst_byte_writer_put_data (&bw, (guint8 *) "movi", 4);
|
||||
hdl &= gst_byte_writer_put_data (&bw, (guint8 *) "LIST", 4);
|
||||
hdl &= gst_byte_writer_put_uint32_le (&bw, avimux->data_size);
|
||||
hdl &= gst_byte_writer_put_data (&bw, (guint8 *) "movi", 4);
|
||||
|
||||
if (!hdl)
|
||||
goto beach;
|
||||
|
||||
/* now get the data */
|
||||
buffer = gst_byte_writer_reset_and_get_buffer (&bw);
|
||||
|
|
@ -1364,6 +1371,7 @@ gst_avi_mux_riff_get_avi_header (GstAviMux * avimux)
|
|||
GST_MEMDUMP_OBJECT (avimux, "avi header", map.data, map.size);
|
||||
gst_buffer_unmap (buffer, &map);
|
||||
|
||||
beach:
|
||||
return buffer;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue