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author | Vittorio Giovara <vittorio.giovara@gmail.com> | 2014-04-15 16:55:23 +0200 |
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committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2014-06-14 00:25:26 -0400 |
commit | 711aa2a82727907f778fb8aa9a93aff2120170f2 (patch) | |
tree | b7896ba9f086e57e3791202c03a95f00bb572c19 /libavformat/dump.c | |
parent | 2dc265619a2fc9c6f9aff7ac2bcdbcb90e9610cb (diff) | |
download | ffmpeg-711aa2a82727907f778fb8aa9a93aff2120170f2.tar.gz |
lavf: dump stream side data when probing
Diffstat (limited to 'libavformat/dump.c')
-rw-r--r-- | libavformat/dump.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/libavformat/dump.c b/libavformat/dump.c index ae285a3de1..1e385ab307 100644 --- a/libavformat/dump.c +++ b/libavformat/dump.c @@ -21,8 +21,12 @@ #include <stdio.h> #include <stdint.h> +#include "libavutil/channel_layout.h" +#include "libavutil/display.h" +#include "libavutil/intreadwrite.h" #include "libavutil/log.h" #include "libavutil/mathematics.h" +#include "libavutil/replaygain.h" #include "avformat.h" @@ -131,6 +135,143 @@ static void dump_metadata(void *ctx, AVDictionary *m, const char *indent) } } +/* param change side data*/ +static void dump_paramchange(void *ctx, AVPacketSideData *sd) +{ + int size = sd->size; + const uint8_t *data = sd->data; + uint32_t flags, channels, sample_rate, width, height; + uint64_t layout; + + if (!data || sd->size < 4) + goto fail; + + flags = AV_RL32(data); + data += 4; + size -= 4; + + if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) { + if (size < 4) + goto fail; + channels = AV_RL32(data); + data += 4; + size -= 4; + av_log(ctx, AV_LOG_INFO, "channel count %d, ", channels); + } + if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) { + if (size < 8) + goto fail; + layout = AV_RL64(data); + data += 8; + size -= 8; + av_log(ctx, AV_LOG_INFO, + "channel layout: %s, ", av_get_channel_name(layout)); + } + if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) { + if (size < 4) + goto fail; + sample_rate = AV_RL32(data); + data += 4; + size -= 4; + av_log(ctx, AV_LOG_INFO, "sample_rate %d, ", sample_rate); + } + if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) { + if (size < 8) + goto fail; + width = AV_RL32(data); + data += 4; + size -= 4; + height = AV_RL32(data); + data += 4; + size -= 4; + av_log(ctx, AV_LOG_INFO, "width %d height %d", width, height); + } + + return; +fail: + av_log(ctx, AV_LOG_INFO, "unknown param"); +} + +/* replaygain side data*/ +static void print_gain(void *ctx, const char *str, int32_t gain) +{ + av_log(ctx, AV_LOG_INFO, "%s - ", str); + if (gain == INT32_MIN) + av_log(ctx, AV_LOG_INFO, "unknown"); + else + av_log(ctx, AV_LOG_INFO, "%f", gain / 100000.0f); + av_log(ctx, AV_LOG_INFO, ", "); +} + +static void print_peak(void *ctx, const char *str, uint32_t peak) +{ + av_log(ctx, AV_LOG_INFO, "%s - ", str); + if (!peak) + av_log(ctx, AV_LOG_INFO, "unknown"); + else + av_log(ctx, AV_LOG_INFO, "%f", (float) peak / UINT32_MAX); + av_log(ctx, AV_LOG_INFO, ", "); +} + +static void dump_replaygain(void *ctx, AVPacketSideData *sd) +{ + AVReplayGain *rg; + + if (sd->size < sizeof(*rg)) { + av_log(ctx, AV_LOG_INFO, "invalid data"); + return; + } + rg = (AVReplayGain*)sd->data; + + print_gain(ctx, "track gain", rg->track_gain); + print_peak(ctx, "track peak", rg->track_peak); + print_gain(ctx, "album gain", rg->album_gain); + print_peak(ctx, "album peak", rg->album_peak); +} + +static void dump_sidedata(void *ctx, AVStream *st, const char *indent) +{ + int i; + + if (st->nb_side_data) + av_log(ctx, AV_LOG_INFO, "%sSide data:\n", indent); + + for (i = 0; i < st->nb_side_data; i++) { + AVPacketSideData sd = st->side_data[i]; + av_log(ctx, AV_LOG_INFO, "%s ", indent); + + switch (sd.type) { + case AV_PKT_DATA_PALETTE: + av_log(ctx, AV_LOG_INFO, "palette"); + break; + case AV_PKT_DATA_NEW_EXTRADATA: + av_log(ctx, AV_LOG_INFO, "new extradata"); + break; + case AV_PKT_DATA_PARAM_CHANGE: + av_log(ctx, AV_LOG_INFO, "paramchange: "); + dump_paramchange(ctx, &sd); + break; + case AV_PKT_DATA_H263_MB_INFO: + av_log(ctx, AV_LOG_INFO, "h263 macroblock info"); + break; + case AV_PKT_DATA_REPLAYGAIN: + av_log(ctx, AV_LOG_INFO, "replaygain: "); + dump_replaygain(ctx, &sd); + break; + case AV_PKT_DATA_DISPLAYMATRIX: + av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees", + av_display_rotation_get((int32_t *)sd.data)); + break; + default: + av_log(ctx, AV_LOG_WARNING, + "unknown side data type %d (%d bytes)", sd.type, sd.size); + break; + } + + av_log(ctx, AV_LOG_INFO, "\n"); + } +} + /* "user interface" functions */ static void dump_stream_format(AVFormatContext *ic, int i, int index, int is_output) @@ -198,6 +339,8 @@ static void dump_stream_format(AVFormatContext *ic, int i, av_log(NULL, AV_LOG_INFO, "\n"); dump_metadata(NULL, st->metadata, " "); + + dump_sidedata(NULL, st, " "); } void av_dump_format(AVFormatContext *ic, int index, |