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faac: Port to the new raw audio caps
This commit is contained in:
Sebastian Dröge
parent
1cb6e68cd0
commit
ad63a0c6e3
2 changed files with 39 additions and 45 deletions
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@ -38,7 +38,7 @@
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#include <stdlib.h>
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#include <string.h>
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#include <gst/audio/multichannel.h>
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#include <gst/audio/audio.h>
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#include <gst/pbutils/codec-utils.h>
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#include "gstfaac.h"
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@ -58,6 +58,7 @@
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#define SINK_CAPS \
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"audio/x-raw, " \
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"format = (string) "GST_AUDIO_NE (S16) ", " \
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"layout = (string) interleaved, " \
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"rate = (int) {" SAMPLE_RATES "}, " \
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"channels = (int) [ 1, 6 ] "
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@ -277,7 +278,7 @@ gst_faac_stop (GstAudioEncoder * enc)
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}
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static const GstAudioChannelPosition aac_channel_positions[][8] = {
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{GST_AUDIO_CHANNEL_POSITION_FRONT_MONO},
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{GST_AUDIO_CHANNEL_POSITION_MONO},
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{GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT},
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{
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@ -302,7 +303,7 @@ static const GstAudioChannelPosition aac_channel_positions[][8] = {
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
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GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_LFE}
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GST_AUDIO_CHANNEL_POSITION_LFE1}
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};
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static GstCaps *
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@ -334,24 +335,19 @@ gst_faac_getcaps (GstAudioEncoder * enc, GstCaps * filter)
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gst_structure_set_value (s, "rate", &rates_arr);
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for (i = 1; i <= 6; i++) {
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GValue chanpos = { 0 };
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GValue pos = { 0 };
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guint64 channel_mask = 0;
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t = gst_structure_copy (s);
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gst_structure_set (t, "channels", G_TYPE_INT, i, NULL);
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if (i == 1)
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continue;
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g_value_init (&chanpos, GST_TYPE_ARRAY);
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g_value_init (&pos, GST_TYPE_AUDIO_CHANNEL_POSITION);
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for (c = 0; c < i; c++)
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channel_mask |=
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G_GUINT64_CONSTANT (1) << aac_channel_positions[i - 1][c];
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for (c = 0; c < i; c++) {
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g_value_set_enum (&pos, aac_channel_positions[i - 1][c]);
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gst_value_array_append_value (&chanpos, &pos);
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}
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g_value_unset (&pos);
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gst_structure_set_value (t, "channel-positions", &chanpos);
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g_value_unset (&chanpos);
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gst_structure_set (t, "channel-mask", GST_TYPE_BITMASK, channel_mask,
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NULL);
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gst_caps_append_structure (tmp, t);
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}
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gst_structure_free (s);
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@ -369,39 +365,30 @@ static gboolean
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gst_faac_set_format (GstAudioEncoder * enc, GstAudioInfo * info)
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{
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GstFaac *faac = GST_FAAC (enc);
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gint channels, samplerate, width;
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gulong fmt = 0, bps = 0;
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gint width;
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gulong fmt = 0;
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gboolean result = FALSE;
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/* base class takes care */
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channels = GST_AUDIO_INFO_CHANNELS (info);
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samplerate = GST_AUDIO_INFO_RATE (info);
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width = GST_AUDIO_INFO_WIDTH (info);
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if (GST_AUDIO_INFO_IS_INTEGER (info)) {
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switch (width) {
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case 16:
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fmt = FAAC_INPUT_16BIT;
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bps = 2;
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break;
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case 24:
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case 32:
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fmt = FAAC_INPUT_32BIT;
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bps = 4;
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break;
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default:
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g_return_val_if_reached (FALSE);
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}
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} else {
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fmt = FAAC_INPUT_FLOAT;
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bps = 4;
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}
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/* ok, record and set up */
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faac->format = fmt;
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faac->bps = bps;
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faac->channels = channels;
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faac->samplerate = samplerate;
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/* finish up */
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result = gst_faac_configure_source_pad (faac);
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@ -482,18 +469,19 @@ gst_faac_open_encoder (GstFaac * faac)
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faacEncConfiguration *conf;
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guint maxbitrate;
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gulong samples, bytes;
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GstAudioInfo *info =
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gst_audio_encoder_get_audio_info (GST_AUDIO_ENCODER (faac));
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g_return_val_if_fail (faac->samplerate != 0 && faac->channels != 0, FALSE);
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g_return_val_if_fail (info->rate != 0 && info->channels != 0, FALSE);
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/* clean up in case of re-configure */
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gst_faac_close_encoder (faac);
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if (!(handle = faacEncOpen (faac->samplerate, faac->channels,
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&samples, &bytes)))
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if (!(handle = faacEncOpen (info->rate, info->channels, &samples, &bytes)))
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goto setup_failed;
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/* mind channel count */
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samples /= faac->channels;
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samples /= info->channels;
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/* record */
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faac->handle = handle;
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@ -514,7 +502,7 @@ gst_faac_open_encoder (GstFaac * faac)
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if (faac->brtype == VBR) {
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conf->quantqual = faac->quality;
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} else if (faac->brtype == ABR) {
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conf->bitRate = faac->bitrate / faac->channels;
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conf->bitRate = faac->bitrate / info->channels;
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}
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conf->inputFormat = faac->format;
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@ -524,13 +512,12 @@ gst_faac_open_encoder (GstFaac * faac)
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/* check, warn and correct if the max bitrate for the given samplerate is
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* exceeded. Maximum of 6144 bit for a channel */
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maxbitrate =
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(unsigned int) (6144.0 * (double) faac->samplerate / (double) 1024.0 +
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.5);
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(unsigned int) (6144.0 * (double) info->rate / (double) 1024.0 + .5);
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if (conf->bitRate > maxbitrate) {
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GST_ELEMENT_WARNING (faac, RESOURCE, SETTINGS, (NULL),
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("bitrate %lu exceeds maximum allowed bitrate of %u for samplerate %d. "
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"Setting bitrate to %u", conf->bitRate, maxbitrate,
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faac->samplerate, maxbitrate));
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info->rate, maxbitrate));
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conf->bitRate = maxbitrate;
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}
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@ -543,7 +530,7 @@ gst_faac_open_encoder (GstFaac * faac)
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/* let's see what really happened,
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* note that this may not really match desired rate */
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GST_DEBUG_OBJECT (faac, "average bitrate: %lu kbps",
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(conf->bitRate + 500) / 1000 * faac->channels);
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(conf->bitRate + 500) / 1000 * info->channels);
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GST_DEBUG_OBJECT (faac, "quantization quality: %ld", conf->quantqual);
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GST_DEBUG_OBJECT (faac, "bandwidth: %d Hz", conf->bandWidth);
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@ -562,6 +549,8 @@ gst_faac_configure_source_pad (GstFaac * faac)
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{
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GstCaps *srccaps;
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gboolean ret;
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GstAudioInfo *info =
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gst_audio_encoder_get_audio_info (GST_AUDIO_ENCODER (faac));
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/* negotiate stream format */
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gst_faac_negotiate (faac);
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@ -572,8 +561,8 @@ gst_faac_configure_source_pad (GstFaac * faac)
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/* now create a caps for it all */
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srccaps = gst_caps_new_simple ("audio/mpeg",
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"mpegversion", G_TYPE_INT, faac->mpegversion,
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"channels", G_TYPE_INT, faac->channels,
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"rate", G_TYPE_INT, faac->samplerate,
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"channels", G_TYPE_INT, info->channels,
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"rate", G_TYPE_INT, info->rate,
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"stream-format", G_TYPE_STRING, (faac->outputformat ? "adts" : "raw"),
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NULL);
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@ -661,11 +650,20 @@ gst_faac_handle_frame (GstAudioEncoder * enc, GstBuffer * in_buf)
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guint8 *data;
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guint8 *out_data;
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gsize out_size;
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GstAudioInfo *info =
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gst_audio_encoder_get_audio_info (GST_AUDIO_ENCODER (faac));
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out_buf = gst_buffer_new_and_alloc (faac->bytes);
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out_data = gst_buffer_map (out_buf, &out_size, NULL, GST_MAP_WRITE);
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if (G_LIKELY (in_buf)) {
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if (memcmp (info->position, aac_channel_positions[info->channels - 1],
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sizeof (GstAudioChannelPosition) * info->channels) != 0) {
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in_buf = gst_buffer_make_writable (in_buf);
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gst_audio_buffer_reorder_channels (in_buf, info->finfo->format,
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info->channels, info->position,
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aac_channel_positions[info->channels - 1]);
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}
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data = gst_buffer_map (in_buf, &size, NULL, GST_MAP_READ);
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} else {
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data = NULL;
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@ -673,7 +671,7 @@ gst_faac_handle_frame (GstAudioEncoder * enc, GstBuffer * in_buf)
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}
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if (G_UNLIKELY ((ret_size = faacEncEncode (faac->handle, (gint32 *) data,
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size / faac->bps, out_data, out_size)) < 0))
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size / (info->finfo->width / 8), out_data, out_size)) < 0))
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goto encode_failed;
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gst_buffer_unmap (in_buf, data, size);
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@ -44,12 +44,8 @@ typedef struct _GstFaacClass GstFaacClass;
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struct _GstFaac {
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GstAudioEncoder element;
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/* stream properties */
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gint samplerate,
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channels,
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format,
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bps;
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/* input format */
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gint format;
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/* input frame size */
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gint samples;
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/* required output buffer size */
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