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348 lines
12 KiB
348 lines
12 KiB
/* |
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Copyright (c) 2012, Broadcom Europe Ltd |
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All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions are met: |
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* Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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* Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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* Neither the name of the copyright holder nor the |
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names of its contributors may be used to endorse or promote products |
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derived from this software without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY |
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <stdarg.h> |
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#include <string.h> |
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#include "containers/core/containers_private.h" |
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#include "containers/core/containers_io_helpers.h" |
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#include "containers/core/containers_utils.h" |
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#include "containers/core/containers_logging.h" |
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#include "simple_common.h" |
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/****************************************************************************** |
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Defines. |
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******************************************************************************/ |
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#define MAX_TRACKS 4 |
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#define MAX_LINE_SIZE 512 |
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#define ES_SUFFIX "%s.%2.2i.%4.4s" |
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#define ES_SUFFIX_SIZE 8 |
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/****************************************************************************** |
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Type definitions |
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******************************************************************************/ |
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typedef struct VC_CONTAINER_TRACK_MODULE_T |
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{ |
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VC_CONTAINER_IO_T *io; |
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char *uri; |
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bool config_done; |
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} VC_CONTAINER_TRACK_MODULE_T; |
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typedef struct VC_CONTAINER_MODULE_T |
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{ |
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char line[MAX_LINE_SIZE + 1]; |
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VC_CONTAINER_TRACK_T *tracks[MAX_TRACKS]; |
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bool header_done; |
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} VC_CONTAINER_MODULE_T; |
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/****************************************************************************** |
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Function prototypes |
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******************************************************************************/ |
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VC_CONTAINER_STATUS_T simple_writer_open( VC_CONTAINER_T * ); |
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static VC_CONTAINER_STATUS_T simple_writer_write( VC_CONTAINER_T *ctx, |
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VC_CONTAINER_PACKET_T *packet ); |
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/****************************************************************************** |
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Local Functions |
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******************************************************************************/ |
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static VC_CONTAINER_STATUS_T simple_write_line( VC_CONTAINER_T *ctx, |
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const char *format, ...) |
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{ |
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VC_CONTAINER_MODULE_T *module = ctx->priv->module; |
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va_list args; |
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int result; |
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va_start(args, format); |
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result = vsnprintf(module->line, sizeof(module->line), format, args); |
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va_end(args); |
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if (result >= (int)sizeof(module->line)) |
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return VC_CONTAINER_ERROR_OUT_OF_RESOURCES; |
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WRITE_BYTES(ctx, module->line, result); |
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_WRITE_U8(ctx, '\n'); |
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return STREAM_STATUS(ctx); |
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} |
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static VC_CONTAINER_STATUS_T simple_write_header( VC_CONTAINER_T *ctx ) |
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{ |
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unsigned int i; |
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simple_write_line(ctx, SIGNATURE_STRING); |
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for (i = 0; i < ctx->tracks_num; i++) |
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{ |
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VC_CONTAINER_TRACK_T *track = ctx->tracks[i]; |
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if (track->format->es_type == VC_CONTAINER_ES_TYPE_VIDEO) |
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{ |
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simple_write_line(ctx, "TRACK video, %4.4s, %i, %i", |
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(char *)&track->format->codec, |
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(int)track->format->type->video.width, |
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(int)track->format->type->video.height); |
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if ((track->format->type->video.visible_width && |
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track->format->type->video.visible_width != |
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track->format->type->video.width) || |
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(track->format->type->video.visible_height && |
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track->format->type->video.visible_height != |
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track->format->type->video.height)) |
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simple_write_line(ctx, CONFIG_VIDEO_CROP" %i, %i", |
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track->format->type->video.visible_width, |
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track->format->type->video.visible_height); |
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if (track->format->type->video.par_num && |
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track->format->type->video.par_den) |
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simple_write_line(ctx, CONFIG_VIDEO_ASPECT" %i, %i", |
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track->format->type->video.par_num, |
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track->format->type->video.par_den); |
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} |
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else if (track->format->es_type == VC_CONTAINER_ES_TYPE_AUDIO) |
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{ |
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simple_write_line(ctx, "TRACK audio, %4.4s, %i, %i, %i, %i", |
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(char *)&track->format->codec, |
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(int)track->format->type->audio.channels, |
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(int)track->format->type->audio.sample_rate, |
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(int)track->format->type->audio.bits_per_sample, |
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(int)track->format->type->audio.block_align); |
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} |
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else if (track->format->es_type == VC_CONTAINER_ES_TYPE_AUDIO) |
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{ |
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simple_write_line(ctx, "TRACK subpicture, %4.4s, %i", |
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(char *)&track->format->codec, |
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(int)track->format->type->subpicture.encoding); |
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} |
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else |
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{ |
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simple_write_line(ctx, "TRACK unknown, %4.4s", |
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(char *)&track->format->codec); |
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} |
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simple_write_line(ctx, CONFIG_URI" %s", track->priv->module->io->uri); |
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if (track->format->codec_variant) |
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simple_write_line(ctx, CONFIG_CODEC_VARIANT" %4.4s", |
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(char *)&track->format->codec_variant); |
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if (track->format->bitrate) |
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simple_write_line(ctx, CONFIG_BITRATE" %i", track->format->bitrate); |
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if (!(track->format->flags & VC_CONTAINER_ES_FORMAT_FLAG_FRAMED)) |
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simple_write_line(ctx, CONFIG_UNFRAMED); |
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} |
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simple_write_line(ctx, SIGNATURE_END_STRING); |
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ctx->priv->module->header_done = true; |
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return STREAM_STATUS(ctx); |
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} |
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static VC_CONTAINER_STATUS_T simple_write_config( VC_CONTAINER_T *ctx, |
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unsigned int track_num, VC_CONTAINER_PACKET_T *pkt) |
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{ |
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VC_CONTAINER_TRACK_T *track = ctx->tracks[track_num]; |
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VC_CONTAINER_STATUS_T status = VC_CONTAINER_SUCCESS; |
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VC_CONTAINER_PACKET_T packet; |
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track->priv->module->config_done = true; |
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if (track->format->extradata_size) |
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{ |
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packet.size = track->format->extradata_size; |
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packet.data = track->format->extradata; |
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packet.track = track_num; |
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packet.pts = pkt ? pkt->pts : VC_CONTAINER_TIME_UNKNOWN; |
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packet.flags = 0; |
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packet.flags |= VC_CONTAINER_PACKET_FLAG_CONFIG; |
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status = simple_writer_write(ctx, &packet); |
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} |
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return status; |
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} |
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static VC_CONTAINER_STATUS_T simple_write_add_track( VC_CONTAINER_T *ctx, |
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VC_CONTAINER_ES_FORMAT_T *format ) |
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{ |
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VC_CONTAINER_TRACK_T *track = NULL; |
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VC_CONTAINER_STATUS_T status; |
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const char *uri = vc_uri_path(ctx->priv->uri); |
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unsigned int uri_size = strlen(uri); |
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/* Allocate and initialise track data */ |
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if (ctx->tracks_num >= MAX_TRACKS) |
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return VC_CONTAINER_ERROR_OUT_OF_RESOURCES; |
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ctx->tracks[ctx->tracks_num] = track = |
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vc_container_allocate_track(ctx, sizeof(VC_CONTAINER_TRACK_MODULE_T) + |
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uri_size + ES_SUFFIX_SIZE + 1); |
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if (!track) |
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return VC_CONTAINER_ERROR_OUT_OF_MEMORY; |
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if (format->extradata_size) |
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{ |
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status = vc_container_track_allocate_extradata(ctx, track, format->extradata_size); |
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if (status != VC_CONTAINER_SUCCESS) |
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goto error; |
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} |
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vc_container_format_copy(track->format, format, format->extradata_size); |
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track->priv->module->uri = (char *)&track->priv->module[1]; |
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snprintf(track->priv->module->uri, uri_size + ES_SUFFIX_SIZE + 1, |
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ES_SUFFIX, uri, ctx->tracks_num, (char *)&track->format->codec); |
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LOG_DEBUG(ctx, "opening elementary stream: %s", track->priv->module->uri); |
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track->priv->module->io = vc_container_io_open(track->priv->module->uri, |
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VC_CONTAINER_IO_MODE_WRITE, &status); |
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if (status != VC_CONTAINER_SUCCESS) |
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{ |
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LOG_ERROR(ctx, "error opening elementary stream: %s", |
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track->priv->module->uri); |
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goto error; |
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} |
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ctx->tracks_num++; |
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return VC_CONTAINER_SUCCESS; |
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error: |
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if (track) |
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vc_container_free_track(ctx, track); |
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return status; |
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} |
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/***************************************************************************** |
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Functions exported as part of the Container Module API |
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*****************************************************************************/ |
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static VC_CONTAINER_STATUS_T simple_writer_close( VC_CONTAINER_T *ctx ) |
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{ |
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VC_CONTAINER_MODULE_T *module = ctx->priv->module; |
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for (; ctx->tracks_num > 0; ctx->tracks_num--) |
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{ |
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vc_container_io_close(ctx->tracks[ctx->tracks_num-1]->priv->module->io); |
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vc_container_free_track(ctx, ctx->tracks[ctx->tracks_num-1]); |
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} |
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free(module); |
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return VC_CONTAINER_SUCCESS; |
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} |
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/*****************************************************************************/ |
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static VC_CONTAINER_STATUS_T simple_writer_write( VC_CONTAINER_T *ctx, |
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VC_CONTAINER_PACKET_T *packet ) |
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{ |
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VC_CONTAINER_STATUS_T status; |
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if (!ctx->priv->module->header_done) |
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{ |
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status = simple_write_header(ctx); |
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if (status != VC_CONTAINER_SUCCESS) |
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return status; |
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} |
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if (!ctx->tracks[packet->track]->priv->module->config_done) |
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{ |
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status = simple_write_config(ctx, packet->track, packet); |
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if (status != VC_CONTAINER_SUCCESS) |
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return status; |
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} |
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/* Write the metadata */ |
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status = simple_write_line(ctx, "%i %i %"PRIi64" 0x%x", |
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(int)packet->track, (int)packet->size, packet->pts, packet->flags); |
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if (status != VC_CONTAINER_SUCCESS) |
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return status; |
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/* Write the elementary stream */ |
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vc_container_io_write(ctx->tracks[packet->track]->priv->module->io, |
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packet->data, packet->size); |
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return STREAM_STATUS(ctx); |
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} |
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/*****************************************************************************/ |
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static VC_CONTAINER_STATUS_T simple_writer_control( VC_CONTAINER_T *ctx, |
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VC_CONTAINER_CONTROL_T operation, va_list args ) |
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{ |
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VC_CONTAINER_ES_FORMAT_T *format; |
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switch (operation) |
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{ |
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case VC_CONTAINER_CONTROL_TRACK_ADD: |
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format = (VC_CONTAINER_ES_FORMAT_T *)va_arg(args, VC_CONTAINER_ES_FORMAT_T *); |
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return simple_write_add_track(ctx, format); |
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case VC_CONTAINER_CONTROL_TRACK_ADD_DONE: |
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simple_write_header( ctx ); |
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return VC_CONTAINER_SUCCESS; |
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default: return VC_CONTAINER_ERROR_UNSUPPORTED_OPERATION; |
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} |
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} |
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/*****************************************************************************/ |
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VC_CONTAINER_STATUS_T simple_writer_open( VC_CONTAINER_T *ctx ) |
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{ |
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VC_CONTAINER_STATUS_T status = VC_CONTAINER_ERROR_FORMAT_INVALID; |
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const char *extension = vc_uri_path_extension(ctx->priv->uri); |
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VC_CONTAINER_MODULE_T *module; |
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/* Check if the user has specified a container */ |
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vc_uri_find_query(ctx->priv->uri, 0, "container", &extension); |
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/* Check we're the right writer for this */ |
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if(!extension) |
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return VC_CONTAINER_ERROR_FORMAT_NOT_SUPPORTED; |
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if(strcasecmp(extension, "smpl") && strcasecmp(extension, "simple")) |
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return VC_CONTAINER_ERROR_FORMAT_NOT_SUPPORTED; |
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LOG_DEBUG(ctx, "using simple writer"); |
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/* Allocate our context */ |
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module = malloc(sizeof(*module)); |
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if (!module) { status = VC_CONTAINER_ERROR_OUT_OF_MEMORY; goto error; } |
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memset(module, 0, sizeof(*module)); |
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ctx->priv->module = module; |
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ctx->tracks = module->tracks; |
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ctx->priv->pf_close = simple_writer_close; |
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ctx->priv->pf_write = simple_writer_write; |
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ctx->priv->pf_control = simple_writer_control; |
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return VC_CONTAINER_SUCCESS; |
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error: |
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LOG_DEBUG(ctx, "simple: error opening stream (%i)", status); |
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return status; |
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} |
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/******************************************************************************** |
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Entrypoint function |
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********************************************************************************/ |
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#if !defined(ENABLE_CONTAINERS_STANDALONE) && defined(__HIGHC__) |
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# pragma weak writer_open simple_writer_open |
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#endif
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